Crab Shrimp and Oysters Akasaka is a seafood bar in the Akasaka alleys of Tokyo that serves unlimited crab, shrimp, and oysters. Raw oysters and shrimp and crab dishes come in several styles, and the course can include unlimited wine. An unlimited course is available from lunch, served with dishes other than seafood. Seating is cramped and the chairs are uncomfortable, making it hard to sit for long.